Skip to Content Skip to Content

Economics

How superstitions spread
A black cat walking on a walkway

Do you change direction when you see a black cat approaching? A game theory-driven model developed by two theoretical biologists at Penn shows how such superstitions can catch on.

How superstitions spread

Superstitious beliefs may seem irrational, but they catch on in a society. Using an evolutionary approach to studying the emergence of coordinated behaviors, Erol Akçay and Bryce Morsky showed how a jumble of individual beliefs, including superstitions, coalesce into an accepted social norm.

Katherine Unger Baillie

Lump-sum pension payments: Who are the winners and losers?
outstretched hand holding several golden eggs on a table

Lump-sum pension payments: Who are the winners and losers?

Wharton’s Olivia S. Mitchell discusses the Treasury department’s move to allow private companies to pay lump-sum pension payments to retirees and beneficiaries, instead of monthly payments.

Penn Today Staff

How gender and racial biases are hurting economics
A non-binary person using a laptop at work.

(Photo: The Gender Spectrum Collection)

How gender and racial biases are hurting economics

Following a survey released this month by the American Economic Association that reveals a disturbingly high level of gender bias in the field, Wharton’s Olivia S. Mitchell discusses the effects of gender and racial biases in the field of economics.

Penn Today Staff

A ‘wealth tax’ presents a revenue estimation puzzle

A ‘wealth tax’ presents a revenue estimation puzzle

Natasha Sarin of the Law School and the Wharton School co-authored an op-ed assessing Elizabeth Warren’s proposed 2% “wealth tax” on those worth over $50 million. “If our suspicion is correct, such a wealth tax will not yield the revenue that its proponents hope for, and that when actual scorekeepers score actual proposals, their estimates will disappoint advocates,” write Sarin and her co-author, Lawrence Summers of Harvard University.

Nostalgia is not enough: Why consumers abandon legacy brands
abandoned storefront and empty parking lot

Nostalgia is not enough: Why consumers abandon legacy brands

Legacy brands like Sears, Payless ShoeSource, and Toys “R” Us are shuttering their doors as customers abandon longstanding consumer mainstays. Despite customers having emotional connections to certain stores, “It is more like these brands are breaking up with the customers,” says Santiago Gallino of the Wharton School.

Penn Today Staff

U.S. debt: Is it the calm before the storm?
 stack of money

U.S. debt: Is it the calm before the storm?

The U.S. national debt has crossed $22 trillion. Wharton’s Kent Smetters and Joao Gomes discuss the nation’s long-term debt burden and what might be done about it.

Penn Today Staff